没有搜到到结果?点击这里求解答/求资源。
【单选题】
经过0,-3(-2,0直线斜率( )

<img class="kfformula" src="20190809/1565321660113443.png" data-latex="\frac {2} {3}"/>
<img class="kfformula" src="20190809/1565321660704793.png" data-latex="\frac {3} {2}"/>
<img class="kfformula" src="20190809/1565321660224474.png" data-latex="-\frac {3} {2}"/>
<img class="kfformula" src="20190809/1565321660377728.png" data-latex="-\frac {2} {3}"/>
【单选题】
经过0,-3(-2,0直线斜率( )

img class=kfformula src=zzximg/20190809/1565321660113443.png data-latex=\frac {2} {3}/
img class=kfformula src=zzximg/20190809/1565321660704793.png data-latex=\frac {3} {2}/
img class=kfformula src=zzximg/20190809/1565321660224474.png data-latex=-\frac {3} {2}/
img class=kfformula src=zzximg/20190809/1565321660377728.png data-latex=-\frac {2} {3}/
【单选题】
已知M(1,-2)、N(3,-1)直线x+2y-1=0,则( )

M在直线上、N不在直线
M不在直线上、N在直线
M、N都不在直线
M、N都在直线
【简答题】
曲线Y=x2-x在(1,0)处切线斜率[填空]

【单选题】
直线l经过A(1,2),在x轴上截距取值范围是(-3,3),则其斜率取值范围是(  )

-1<k<1/5
k>1或k<1/2
k>1/5或k<1
k>1/2或k<-1
【单选题】
已知M(2,-1)、N(1,4)直线 x+2y-1=0,则( )

M在直线上、N不在直线
M不在直线上、N在直线
M、N都不在直线
M、N都在直线
【单选题】
已知A(20,00)B(20,0,10),关于AB相对位置,哪一种判断是正确? ( )

B在A前面
B在A上方,且重影于V面上
A在B下方且重影在OX轴上
A在B前面
【单选题】
(a,b)关于直线x+y+1=0对称是(  )

(-a-1,-b-1)
(-b-1,-a-1)
(-a,-b)
(-b,-a)
【单选题】
已知三A(10、20、15)、B(10、0、30)、C(0、10、0),则在坐标面上______。

Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} A、B、C三
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} B
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} B、C两
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:等线; mso-ascii-font-family:等线; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:等线; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:等线; mso-hansi-theme-font:minor-latin; mso-font-kerning:1.0pt;} C
【单选题】
2,0)且与直线<img class=jc-formula data-tex=y=\frac { 1 }{ x } src=https://huaweicloudobs.ahjxjy.cn/0D8F356CCA61A2D9F9454B228CA2C60F.png style=vertical-align: middle;/>相切直线方程( )

<img class=jc-formula data-tex=y=-\frac { x-2 }{ 4 } src=https://huaweicloudobs.ahjxjy.cn/3A4E5D921C7CBC02D1146DE44427DEFC.png style=vertical-align: middle;/>
<img class=jc-formula data-tex=y-1=-(x-1) src=https://huaweicloudobs.ahjxjy.cn/8E8CFA9D156735224222F8247C0C87C3.png style=vertical-align: middle;/>
<img class=jc-formula data-tex=y=4(x-2) src=https://huaweicloudobs.ahjxjy.cn/6A504CAC52CB66E8F503EF49B2651A24.png style=vertical-align: middle;/>
y-1=2(x-1)